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SF MARATHON 1ST HALF 2023

Alex Kassil

San Rafael, CA

Bib: 13713 M 24

0:00
0:00
/ mi
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Overall
#0 / 6072
Gender (Male)
#0 / 3331
M20-29
#0 / 333
Race Day Weather
60°/50°F
overcast clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
10 ft elev
1.40M
10:09/mi
14:12
→ flat
11 ft elev
2.13M
22:00/mi
30:16
→ flat
13 ft elev
6.43M
12:16/mi
1:22:59
↑ 274↓ 780.9%
213 ft elev
6.62M
-43:-15/mi
1:14:57
↑ 161.6%
239 ft elev
10.65M
10:49/mi
1:58:34
↑ 153↓ 3611.0%
48 ft elev
Finish· 13.11 mi
11:05/mi
2:25:50
↑ 244↓ 1141.0%
205 ft elev
Course Elevation
10–277 ft
≈
×22story building
•▲ 774 ft climb · ▼ 557 ft descent

The Course

Half Splits

1st Half· via 6.62M
1:14:5711:19 /mi+5.4%
2nd Half
1:10:5310:55 /mi✓ faster
Negative split — 5.4% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
1.40M
14:1210:091.40 mi14:12
10:09
-
2.13M
30:1614:130.73 mi16:04
22:00
+11:51
6.43M
1:22:5912:544.30 mi52:43
12:16
-9:44
6.62M
1:14:5711:190.19 mi
-43:-15
-55:31
10.65M
1:58:3411:084.03 mi43:37
10:49
+54:04
Finish(13.11 mi)
2:25:5011:072.46 mi27:16
11:05
+0:16
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

-44:-15 /mi

Average Pace

11:07 /mi

Slowest Pace

22:00 /mi

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Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:25:50

100% of race

Time at Steady Pace

0:00

0% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 11:07 /mi

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Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi3.3mi6.6mi9.8mi13.1mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallMalesM20-29Seg. OverallSeg. MalesSeg. M20-29
1.40M1.40 mi4205255629642052556296
2.13M0.73 mi4591-3862736-180300-450072909307
6.43M4.30 mi3731+8602323+413272+2834002141257
6.62M0.19 mi3604+1272247+76271+1---
10.65M4.03 mi3727-1232318-71272-139882421271
Finish(13.11 mi)2.46 mi3856-1292368-5027242912540280

Segment Performance Analysis

Start → 1.40M

0.0 - 1.4 mi

Top 69%
~flat
+3ft-2ft

Overall

4205

Males

2556

M20-24

296

1.40M→2.13M

1.4 - 2.1 mi

Top 82%
~flat
+3ft-1ft

Overall

5007

Males

2909

M20-24

307

2.13M→6.43M

2.1 - 6.4 mi

Top 56%
×17story building
+274ft-78ft

Overall

3400

Males

2141

M20-24

257

6.43M→6.62M

6.4 - 6.6 mi

×1story
+16ft-0ft

Overall

-

Males

-

M20-24

-

6.62M→10.65M

6.6 - 10.7 mi

Top 66%
×21story building
+153ft-361ft

Overall

3988

Males

2421

M20-24

271

10.65M→Finish

10.7 - 13.1 mi

Top 71%
×17story building
+244ft-114ft

Overall

4291

Males

2540

M20-24

280

Passing Analysis

Category:
▲Net Change
+0
0 passed by0* passed
SegmentMovementRank
Start → 1.40M-#4205
1.40M → 2.13M
44660-386
#4205 → #4591
2.13M → 6.43M
72932*+860
#4591 → #3731
6.43M → 6.62M
14141+127
#3731 → #3604
6.62M → 10.65M
19471*-123
#3604 → #3727
10.65M → Finish
18152*-129
#3727 → #3856
TOTALS
9071256*+349
#4205 → #3856

* Includes athletes who did not complete a segment (DNF/DNQ).

Passing Visualized

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Passing Circle

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Position Flow

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Race Lanes

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